ro.cpp:14: error: '>>' should be '> >' within a nested template argument list ro.cpp:15: error: '>>' should be '> >' within a nested template argument list ro.cpp:17: error: '>>' should be '> >' within a nested template argument list ro.cpp: In function 'void cacheComponent(int, int)': ro.cpp:21: error: '>>' should be '> >' within a nested template argument list ro.cpp:23: error: 'tie' was not declared in this scope ro.cpp:27: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ro.cpp:27: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ro.cpp: In function 'void biconnectedDFS(int, int)': ro.cpp:37: error: expected initializer before ':' token ro.cpp:133: error: expected primary-expression at end of input ro.cpp:133: error: expected ';' at end of input ro.cpp:133: error: expected primary-expression at end of input ro.cpp:133: error: expected ')' at end of input ro.cpp:133: error: expected statement at end of input ro.cpp:133: error: expected '}' at end of input